... :USB connection ( Work in Windows XP, 2000,Vista,7)Memory:64Mb Buffer MemoryDriver system:stepper motorAuxiliary equipments:Exhaust-fan, air ... system: CNC controlling unitsCooling mode: Water-cooling and protection systemMax speed:600mm/s for engraving, 300mm/s for cuttingWorking voltage: ... cloths, fabrics, leathers, paper etc Polywood case: Double heads high speed auto feeding fabric cutting machine